[INFO] fetching crate rusty-structures 0.1.0... [INFO] checking rusty-structures-0.1.0 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] extracting crate rusty-structures 0.1.0 into /workspace/builds/worker-7-tc1/source [INFO] validating manifest of crates.io crate rusty-structures 0.1.0 on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate rusty-structures 0.1.0 [INFO] finished tweaking crates.io crate rusty-structures 0.1.0 [INFO] tweaked toml for crates.io crate rusty-structures 0.1.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 12 packages [INFO] [stderr] Adding evalexpr v8.2.0 (latest: v11.3.0) [INFO] [stderr] Adding fastmurmur3 v0.1.2 (latest: v0.2.0) [INFO] [stderr] Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded const-fnv1a-hash v1.1.0 [INFO] [stderr] Downloaded evalexpr v8.2.0 [INFO] [stderr] Downloaded fastmurmur3 v0.1.2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 73e86215b9d4ae40d40c7da32a1ab6e8477d2bfe73883138f5625aad2b8b38e5 [INFO] running `Command { std: "docker" "start" "-a" "73e86215b9d4ae40d40c7da32a1ab6e8477d2bfe73883138f5625aad2b8b38e5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "73e86215b9d4ae40d40c7da32a1ab6e8477d2bfe73883138f5625aad2b8b38e5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "73e86215b9d4ae40d40c7da32a1ab6e8477d2bfe73883138f5625aad2b8b38e5", kill_on_drop: false }` [INFO] [stdout] 73e86215b9d4ae40d40c7da32a1ab6e8477d2bfe73883138f5625aad2b8b38e5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 9c6c8abb06fc3415dd4fb26ca54a67f95575eb98911c389197f1c49a8d29c049 [INFO] running `Command { std: "docker" "start" "-a" "9c6c8abb06fc3415dd4fb26ca54a67f95575eb98911c389197f1c49a8d29c049", kill_on_drop: false }` [INFO] [stderr] Checking const-fnv1a-hash v1.1.0 [INFO] [stderr] Checking fastmurmur3 v0.1.2 [INFO] [stderr] Checking evalexpr v8.2.0 [INFO] [stderr] Checking rusty-structures v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: field `number_of_bits` is never read [INFO] [stdout] --> src/bloom_filter.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 6 | pub struct BloomFilter { [INFO] [stdout] | ----------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 10 | number_of_bits: f64, [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `BloomFilter` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `false_positive_probability` is never used [INFO] [stdout] --> src/bloom_filter.rs:68:8 [INFO] [stdout] | [INFO] [stdout] 14 | impl BloomFilter { [INFO] [stdout] | ---------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 68 | fn false_positive_probability(&self) -> f64 { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `bubble_up_optimized` and `push_down` are never used [INFO] [stdout] --> src/priority_queue/dheap.rs:99:8 [INFO] [stdout] | [INFO] [stdout] 11 | impl DHeap { [INFO] [stdout] | --------------------------------------------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 99 | fn bubble_up_optimized(&mut self, initial_index: Option) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 114 | fn push_down(&mut self, initial_index: Option) { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `DheapError` is never used [INFO] [stdout] --> src/priority_queue/dheap.rs:178:6 [INFO] [stdout] | [INFO] [stdout] 178 | enum DheapError { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `testing_dheap` is never used [INFO] [stdout] --> src/priority_queue/dheap.rs:194:8 [INFO] [stdout] | [INFO] [stdout] 194 | fn testing_dheap() -> DHeap { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `number_of_bits` is never read [INFO] [stdout] --> src/bloom_filter.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 6 | pub struct BloomFilter { [INFO] [stdout] | ----------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 10 | number_of_bits: f64, [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `BloomFilter` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `false_positive_probability` is never used [INFO] [stdout] --> src/bloom_filter.rs:68:8 [INFO] [stdout] | [INFO] [stdout] 14 | impl BloomFilter { [INFO] [stdout] | ---------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 68 | fn false_positive_probability(&self) -> f64 { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `bubble_up_optimized` and `push_down` are never used [INFO] [stdout] --> src/priority_queue/dheap.rs:99:8 [INFO] [stdout] | [INFO] [stdout] 11 | impl DHeap { [INFO] [stdout] | --------------------------------------------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 99 | fn bubble_up_optimized(&mut self, initial_index: Option) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 114 | fn push_down(&mut self, initial_index: Option) { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `DheapError` is never used [INFO] [stdout] --> src/priority_queue/dheap.rs:178:6 [INFO] [stdout] | [INFO] [stdout] 178 | enum DheapError { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.26s [INFO] running `Command { std: "docker" "inspect" "9c6c8abb06fc3415dd4fb26ca54a67f95575eb98911c389197f1c49a8d29c049", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9c6c8abb06fc3415dd4fb26ca54a67f95575eb98911c389197f1c49a8d29c049", kill_on_drop: false }` [INFO] [stdout] 9c6c8abb06fc3415dd4fb26ca54a67f95575eb98911c389197f1c49a8d29c049 [INFO] checking rusty-structures-0.1.0 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] extracting crate rusty-structures 0.1.0 into /workspace/builds/worker-7-tc2/source [INFO] validating manifest of crates.io crate rusty-structures 0.1.0 on toolchain 3a4bc97f6385a3aa300a4fd689b44350e54fd676 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate rusty-structures 0.1.0 [INFO] finished tweaking crates.io crate rusty-structures 0.1.0 [INFO] tweaked toml for crates.io crate rusty-structures 0.1.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 0bcb067e45c1c5733e59133ee38ce1cbd0ad4958201d582a9394a44a60fd0a15 [INFO] running `Command { std: "docker" "start" "-a" "0bcb067e45c1c5733e59133ee38ce1cbd0ad4958201d582a9394a44a60fd0a15", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0bcb067e45c1c5733e59133ee38ce1cbd0ad4958201d582a9394a44a60fd0a15", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0bcb067e45c1c5733e59133ee38ce1cbd0ad4958201d582a9394a44a60fd0a15", kill_on_drop: false }` [INFO] [stdout] 0bcb067e45c1c5733e59133ee38ce1cbd0ad4958201d582a9394a44a60fd0a15 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 70ad445f3a3de472f81faa52a835cc823d95775144b0893b621b21bd871775aa [INFO] running `Command { std: "docker" "start" "-a" "70ad445f3a3de472f81faa52a835cc823d95775144b0893b621b21bd871775aa", kill_on_drop: false }` [INFO] [stderr] Checking const-fnv1a-hash v1.1.0 [INFO] [stderr] Checking fastmurmur3 v0.1.2 [INFO] [stderr] Checking evalexpr v8.2.0 [INFO] [stdout] error[E0284]: type annotations needed: cannot satisfy `_ -> _` [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/fastmurmur3-0.1.2/src/fallthrough.rs:8:9 [INFO] [stdout] | [INFO] [stdout] 8 | / match $elem {$( [INFO] [stdout] 9 | | $pat => $branch, [INFO] [stdout] 10 | | )*} [INFO] [stdout] | |___________^ cannot satisfy `_ -> _` [INFO] [stdout] | [INFO] [stdout] ::: /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/fastmurmur3-0.1.2/src/murmur3rs.rs:70:5 [INFO] [stdout] | [INFO] [stdout] 70 | / match_fallthrough!(trailing_len, { [INFO] [stdout] 71 | | 15 => k2 ^= (buf[14] as u64).shl(48), [INFO] [stdout] 72 | | 14 => k2 ^= (buf[13] as u64).shl(40), [INFO] [stdout] 73 | | 13 => k2 ^= (buf[12] as u64).shl(32), [INFO] [stdout] ... | [INFO] [stdout] 99 | | _ => unreachable!() [INFO] [stdout] 100 | | }); [INFO] [stdout] | |______- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this error originates in the macro `match_fallthrough_make_match` which comes from the expansion of the macro `match_fallthrough` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0284`. [INFO] [stdout] [INFO] [stderr] error: could not compile `fastmurmur3` (lib) due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "70ad445f3a3de472f81faa52a835cc823d95775144b0893b621b21bd871775aa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "70ad445f3a3de472f81faa52a835cc823d95775144b0893b621b21bd871775aa", kill_on_drop: false }` [INFO] [stdout] 70ad445f3a3de472f81faa52a835cc823d95775144b0893b621b21bd871775aa